Chemical Engineering Thermodynamics Pressure-enthalpy chart is useful in refrigeration. The change in internal energy of an ideal fluid used in ideal refrigeration cycle is Zero Infinity Positive Negative Zero Infinity Positive Negative ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The thermodynamic law, PVy = constant, is not applicable in case of Adiabatic expansion of steam in a turbine Ideal compression of air Free expansion of an ideal gas Adiabatic compression of a perfect gas Adiabatic expansion of steam in a turbine Ideal compression of air Free expansion of an ideal gas Adiabatic compression of a perfect gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A refrigeration cycle is a reversed heat engine. Which of the following has the maximum value of the co-efficient of performance (COP) for a given refrigeration effect? Air refrigeration cycle Vapor compression cycle using expansion valve Vapor compression cycle using expansion engine Carnot refrigeration cycle Air refrigeration cycle Vapor compression cycle using expansion valve Vapor compression cycle using expansion engine Carnot refrigeration cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression, nRT In Pā/Pā , is for the____of an ideal gas. Co-efficient of thermal expansion Work done under adiabatic contition Work done under isothermal condition Compressibility Co-efficient of thermal expansion Work done under adiabatic contition Work done under isothermal condition Compressibility ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A large iceberg melts at the base, but not at the top, because of the reason that The iceberg remains in a warmer condition at the base All of these Ice at the base contains impurities which lowers its melting point Due to the high pressure at the base, its melting point reduces The iceberg remains in a warmer condition at the base All of these Ice at the base contains impurities which lowers its melting point Due to the high pressure at the base, its melting point reduces ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics __________ equation predicts the activity co-efficient from experimental data. Margules Lewis-Randall Both B & C Van Laar Margules Lewis-Randall Both B & C Van Laar ANSWER DOWNLOAD EXAMIANS APP
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